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| Criterion |  UX Research Card Sorting |  Innovation Design Sprint |  Innovation Lean Startup |  Product Strategy Lean Canvas |
|---|---|---|---|---|
Purposedifferent | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. |
Complexitydifferent | Low | High | Medium | Medium |
Timedifferent | 20-45 min | 4-5 Tage | Wochen bis Monate je Lernzyklus | 45-90 min |
Participantsdifferent | Based on research question | 5-8 | 2-8 | 1-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Prototype, Test Findings, Decision Rationale | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Lean Canvas, Core Assumptions, Experiment Backlog |
Tagsno overlap | Information architectureNavigationStructure | Design sprintPrototypeValidationInnovation | LeanStartupValidationMVP | StartupLeanAssumptionsBusiness model |